Keeps PO4 in checkBy danny on 7/31/2014

Very low dust unlike other types of GFO & you use less of it to achieve the same results which reduces stress on your pump. My PO4 levels are around 0.03 ppm using the HANNA CHECKER.

Best GFO on the marketBy Seanon 5/26/2014

Sean would recommend this product to a friend

This is the best GFO I have used before. It lowers my Phosphates better than any other product on the market. The corals have noticeably become more colorful as well. Good product!

Regular vs Hi-Cap GFO By Drewon 5/11/2014

Drew would recommend this product to a friend

I goofed and ordered Regular GFO instead of the Hi-Cap that I normally order.
YES.... there is a difference.... My Phosphate levels have reacted accordingly.

I have double the PO4 than I normally have when using the Hi-Cap.

FYI!

High Capacity GFO. By Śrubaon 5/10/2014

Śruba would recommend this product to a friend

I would buy it again because this media works very well for me. Try it yourself and see what I mean.
Thank you BRS.

Look no further!By MUSBFRANKon 4/30/2014

MUSBFRANK would recommend this product to a friend

Let's just say I had a serious phosphate problem and tried several other medias. I put the recommended amount of GFO in a nylon sock and pumped water through it with a powerhead. It's a 750gal reef tank and the phospates had soared up to 2.0, after putting the GFO I tested the water roughly 3 days later and they were barely detectable. Can't say enough about this stuff and I will never use anything else!

Works Great!!!By Andyon 4/4/2014

Andy would recommend this product to a friend

2nd time ordering & works great with fantastic results..ie perfect water parameters.

Very good at removing phosphate By KEVIN on 4/2/2014

KEVIN would recommend this product to a friend

Works great. It's a little pricey but it does what I need

great stuffBy Chicago on 3/25/2014

Chicago would recommend this product to a friend

nice and clean. I use in my reactor. With other brands took like 15 gallons until clean and clear water was following. With this high capacity only takes like 5 gallons to run clean. Love it and would recommend for all phosphate issues. Of course you cant beat the BRS service and price.

Best way to keep my phosphates lowBy Michaelon 3/18/2014

Michael would recommend this product to a friend

I run this GFO in my 90 gallon mixed reef tank. Have it running in a 2 Little Fishes reactor and it works great. Replace every 4-6 months and my phosphates stay at zero. Highly recommend.

great productBy angeloon 3/17/2014

angelo would recommend this product to a friend

been using this product since i started my tank. never had an issue with phosphates. lasts a long time and only have to use a little bit.

Fantastic!By Jawgrantson 3/14/2014

Jawgrants would recommend this product to a friend

Running this with the ROX carbon through the BRS dual canister (one in each chamber) and I am shocked by the phosphate removal in less than 3 days.

Before running, our phosphate was 1.3 ppm in the Hannah meter. I am running less than recommended by the BRS calculator only because I didn't want to completely shock the system. However, after less than 3 days it's down to 0.03 ppm. Wow! I'm going to continue testing in another few days to see if it drops further. If not, I will bump up to the recommended level. Thanks, BRS for another couple of great products! Worth the price!

Very SatisfiedBy Charlotte Reeferon 3/10/2014

Charlotte Reefer would recommend this product to a friend

I'm running the GFO high capacity with an IM Minimax reactor on my nuvo 24 tank. I was getting some nasty hair algae after trying to fatten up some new fish. PO4 was around 0.08 and that was with Chemipure Elite in the media basket. After a few days by phosphates went down to 0.03 and last night I registered 0.00 using the Hanna low range checker. CUC is destroying the algae now and it take about 3 days before I get a noticeable green/brown film on the glass.

This seems to be a great value. Given the size of my tank and the rate the GFO is being used up, this is pretty affordable way to control phosphates. I highly recommend.

Great productBy Ourisland42on 2/20/2014

Ourisland42 would recommend this product to a friend

I would definitely recommend. It is working !! My phosphates are going down, finally....

Excellent service with BRS, as always!

Phosphate RemovalBy Matton 2/17/2014

Matt would recommend this product to a friend

Works great at controlling phosphates. Also, works well in a media reactor as I use it with the TLF media reactor with a maxi-jet pump.

Must have for any reef tankBy Jameson 1/24/2014

James would recommend this product to a friend

I've been using the brs standard gfo and this gfo makes a huge difference. I couldn't keep my phosphate under .06 with the standard stuff. Now I've got it down to .01 in only the first week of using this product! I'm very happy even though it's a little more money.

Must buy!By devonon 1/9/2014

devon would recommend this product to a friend

i really love this media, i have seen drastic changes while using this. i tends to last long than the cheaper stuff. less dust is a big plus. i must say though what until it is on sales thats when i order it.

phosphate killerBy Theodoreon 1/5/2014

Theodore would recommend this product to a friend

This gfo took my phosphates from .5 to undetectable . Amazing stuff now my corals are way more colorful and polyps are fully extended. Couldn't be happier with this product.

Excellent fast phosphate killer!By Georgeon 12/28/2013

George would recommend this product to a friend

BRS' standard gfo is amazing... but this... this takes it to another level. My square 60 gallon salt tank was fill to the bring of slimy green algae. My brother then took this stuff... put it into my two reactors i recently bought and within a week the green disappeared. After 2 months, the water has remained crystal clear. The best time to get this is during their sale which is what we did during their black friday sale. Can't go wrong. Double the power of the standard stuff no joke!

GFO that makes a differemceBy terminatoron 12/2/2013

terminator would recommend this product to a friend

I have used many different types of phosphate removal products and for cost, quanity and effectiveness you can't beat the high capacity version of this GFO. There are a few other products that are as effective but cost more and you get less of it. Why spend more?

This is the only practical GFO to use, hands down

Tank is looking better after only daysBy Geoon 11/20/2013

Geo would recommend this product to a friend

Our LFS ran out of RowaPhos and it was going 3 weeks, I tried other gfos but they didn't do it, too much dust or they would just clump and not tumble, gave the high capacity a go and my tank is already looking better. I believe I will be sticking w this from here out.

works greatBy jimon 11/18/2013

jim would recommend this product to a friend

ez using, little dust.starts cleaning real fast.

Great ProductBy MICHAELOon 9/30/2013

MICHAELO would recommend this product to a friend

Very well constructed and easy to change canisters, mounting option is cool. Makes use of space and utilizes 2 separate elements for individual change, Bottom line is, it makes life much easier! If you have a need for these elements then you have a need for this item.

Saves space in the sumpBy GainesvilleReeferon 8/8/2013

GainesvilleReefer would recommend this product to a friend

By using this over the regular GFO I was able to mix with the ROX carbon and fit in one reactor.